:root {
  --seo-green: #2f9e53;
  --seo-green-dark: #1f6f39;
  --seo-ink: #1d2b22;
  --seo-muted: #5e6f63;
  --seo-line: #dbe7de;
  --seo-soft: #f2f7f2;
  --seo-white: #ffffff;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--seo-soft);
  color: var(--seo-ink);
  font-family: Arial, "Segoe UI", system-ui, -apple-system, sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--seo-green-dark); }

.seo-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, .94);
  border-bottom: 1px solid var(--seo-line);
  backdrop-filter: blur(10px);
}

.seo-header-inner,
.seo-footer-inner {
  width: min(1080px, calc(100% - 40px));
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.seo-header-inner { min-height: 66px; }

.seo-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--seo-ink);
  text-decoration: none;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -.01em;
}

.seo-brand-mark {
  display: grid;
  grid-template-columns: repeat(2, 8px);
  grid-template-rows: repeat(2, 8px);
  gap: 2px;
  padding: 5px;
  border: 1px solid var(--seo-line);
  border-radius: 8px;
  background: #fff;
}

.seo-brand-mark i { display: block; border-radius: 2px; }
.seo-brand-mark i:nth-child(1) { background: #f79faf; }
.seo-brand-mark i:nth-child(2) { background: #cfeb9e; }
.seo-brand-mark i:nth-child(3) { background: #b3c4fa; }
.seo-brand-mark i:nth-child(4) { background: #a1f4f8; }

.seo-header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 18px;
  border-radius: 999px;
  background: var(--seo-green);
  color: #fff;
  text-decoration: none;
  font-size: .86rem;
  font-weight: 700;
  white-space: nowrap;
  transition: background .15s;
}

.seo-header-cta:hover { background: var(--seo-green-dark); }

.seo-main {
  width: min(900px, calc(100% - 40px));
  margin: 26px auto 34px;
}

.seo-article {
  padding: 48px 56px 42px;
  background: var(--seo-white);
  border: 1px solid var(--seo-line);
  border-radius: 24px;
  box-shadow: 0 14px 40px rgba(25, 50, 32, .06);
}

.seo-eyebrow {
  margin: 0 0 10px;
  color: var(--seo-green-dark);
  font-size: .76rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.seo-article h1 {
  margin: 0 0 18px;
  font-size: clamp(1.75rem, 3.2vw, 2.55rem);
  line-height: 1.18;
  letter-spacing: -.025em;
}

.seo-lead {
  margin: 0 0 22px;
  color: #34463a;
  font-size: 1.08rem;
  line-height: 1.7;
}

.seo-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 18px;
  margin: 0 0 34px;
}

.seo-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 22px;
  border-radius: 999px;
  background: var(--seo-green);
  color: #fff;
  text-decoration: none;
  font-size: .94rem;
  font-weight: 700;
  transition: background .15s;
}

.seo-button:hover { background: var(--seo-green-dark); }

.seo-note { color: var(--seo-muted); font-size: .8rem; }

.seo-article h2 {
  margin: 38px 0 12px;
  font-size: clamp(1.25rem, 2.2vw, 1.55rem);
  line-height: 1.3;
  letter-spacing: -.015em;
}

.seo-article h3 { margin: 0 0 6px; font-size: 1rem; line-height: 1.4; }

.seo-article p { margin: 0 0 14px; color: #34463a; }

.seo-article ul,
.seo-article ol { margin: 0 0 16px; padding-left: 22px; color: #34463a; }
.seo-article li { margin: 0 0 7px; }
.seo-article strong { color: var(--seo-ink); }

.seo-features {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 18px 0 8px;
}

.seo-feature {
  padding: 16px 17px;
  border: 1px solid var(--seo-line);
  border-radius: 14px;
  background: #fbfdfb;
}

.seo-feature > span {
  display: inline-block;
  margin-bottom: 8px;
  color: var(--seo-green);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .08em;
}

.seo-feature h3 { font-size: .95rem; }
.seo-feature p { margin: 0; font-size: .86rem; line-height: 1.55; }

.seo-faq {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.seo-faq section {
  padding: 15px 17px;
  border: 1px solid var(--seo-line);
  border-radius: 13px;
  background: #fbfdfb;
}

.seo-faq h3 { font-size: .95rem; }
.seo-faq p { margin: 0; font-size: .9rem; line-height: 1.6; }

.seo-faq--page { margin-top: 18px; }

.seo-faq-link { margin: 16px 0 0; font-size: .92rem; }
.seo-faq-link a { font-weight: 700; text-underline-offset: 3px; }

.seo-bottom-cta {
  margin-top: 34px;
  padding: 24px 26px;
  border: 1px solid #cfe3d3;
  border-radius: 18px;
  background: #f1f9f2;
}

.seo-bottom-cta h2 { margin: 0 0 8px; }
.seo-bottom-cta p { margin: 0 0 16px; }

.seo-footer {
  padding: 22px 0 34px;
  border-top: 1px solid var(--seo-line);
  color: var(--seo-muted);
  font-size: .78rem;
}

.seo-footer-inner { flex-wrap: wrap; }
.seo-footer a { color: #3c6b48; text-decoration: none; font-weight: 600; }
.seo-footer a:hover { text-decoration: underline; }

a:focus-visible,
button:focus-visible {
  outline: 3px solid rgba(47, 158, 83, .35);
  outline-offset: 3px;
}

@media (max-width: 720px) {
  .seo-header-inner,
  .seo-footer-inner,
  .seo-main { width: min(100% - 24px, 900px); }

  .seo-header-inner { min-height: 58px; }
  .seo-brand { font-size: .9rem; }
  .seo-header-cta { min-height: 36px; padding: 0 13px; font-size: .78rem; }

  .seo-main { margin-top: 16px; margin-bottom: 24px; }

  .seo-article {
    padding: 26px 20px 24px;
    border-radius: 18px;
  }

  .seo-article h1 { font-size: 1.65rem; }
  .seo-lead { font-size: 1rem; }
  .seo-actions { gap: 10px; margin-bottom: 26px; }
  .seo-button { width: 100%; min-height: 44px; }
  .seo-note { font-size: .76rem; }
  .seo-features { grid-template-columns: 1fr; }
  .seo-article h2 { margin-top: 30px; }
  .seo-bottom-cta { padding: 20px 18px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}
